From left, Japanese aircraft-carrying submarines I-400, I-401 and I-14 are moored next to the USS Proteus at Yokosuka in Tokyo Bay on September 7, 1945. Each of the I-400s could carry three Seiran bombers. (National Archives)
From left, Japanese aircraft-carrying submarines I-400, I-401 and I-14 are moored next to the USS Proteus at Yokosuka in Tokyo Bay on September 7, 1945. Each of the I-400s could carry three Seiran bombers. (National Archives)